In 1815, Napoléon achieve the construction of the Fort Boyard and Lord Cochrane came back in the bay to destroy this bastion. But he find himself face by a surnatural threat , Cthulhu , A sleeping god who then emerges from the depths of the oceans to claim control of the Earth!
Jean-Baptiste Dallier, a Bonapartist friend of the Champollion brothers, was assassinated in the catacombs. The famous Scottish hero Lord Cochrane arrived in Paris. He finds Champollion the Younger who has evidence of the existence of Cthulhu, an antediluvian monster.
In a world where steam engines, magic and trolls mix, a human and an elf try to save their skin. She, a member of a secret organization in possession of a coveted artifact, he, a gentleman burglar with eyes bigger than his belly. But what can you do when a man doesn’t want to die?